An apparatus for applying fluid from a fluid source to a substrate. The apparatus comprises a housing configured to receive the fluid from the fluid source, a nozzle arrangement in fluid communication with the housing, and a lever pivotally mounted to the housing for releasably securing the nozzle a
An apparatus for applying fluid from a fluid source to a substrate. The apparatus comprises a housing configured to receive the fluid from the fluid source, a nozzle arrangement in fluid communication with the housing, and a lever pivotally mounted to the housing for releasably securing the nozzle arrangement thereto.
대표청구항▼
The invention claimed is: 1. An apparatus for applying fluid from a fluid source to a substrate, comprising: a housing configured to receive the fluid from the fluid source, said housing including a nozzle contact surface, a fluid outlet in said nozzle contact surface, a projection extending downwa
The invention claimed is: 1. An apparatus for applying fluid from a fluid source to a substrate, comprising: a housing configured to receive the fluid from the fluid source, said housing including a nozzle contact surface, a fluid outlet in said nozzle contact surface, a projection extending downwardly from said nozzle contact surface, a guide surface on said projection and inclined relative to said nozzle contact surface to define an undercut surface on said projection, and first alignment structure on said projection between said guide surface and said nozzle contact surface, said first alignment structure extending away from said undercut surface and adapted to vertically support a nozzle on said housing; a nozzle arrangement in fluid communication with said housing, said nozzle arrangement having an inlet side positioned adjacent said nozzle contact surface, an outlet side opposite said inlet side, a discharge passage communicating with said fluid outlet and extending from said inlet side to said outlet side, opposed first and second sidewalls between said inlet side and said outlet side, a surface proximate said outlet side and engaging said guide surface of said housing, and second alignment structure on said second sidewall, said second alignment structure cooperating with said first alignment structure on said projection to align said fluid outlet with said discharge passage; and a lever pivotally mounted to said housing for releasably securing said nozzle arrangement adjacent said nozzle contact surface, said lever having a lower end cooperating with said first sidewall such that said nozzle arrangement may be linearly guided in a direction transverse to the direction of fluid flow from the outlet between said lower end of said lever and said projection of said housing. 2. The apparatus of claim 1, wherein said lower end of said lever is configured to apply a force to said nozzle arrangement in a direction substantially parallel to a plane containing said inlet side and said nozzle contact surface. 3. The apparatus of claim 2, wherein said projection of said housing has a substantially flat guide surface adapted to direct said nozzle arrangement towards said housing when said lever applies force to said nozzle arrangement. 4. The apparatus of claim 1, wherein said lever has an upper end with a bore, the apparatus further comprising: an adjusting screw extending through said bore in said lever, said adjusting screw having threads cooperating with said bore such that the rotation of said adjusting screw controls the pivotal movement of said lever. 5. The apparatus of claim 1, wherein said nozzle arrangement further includes a concave recess in said first sidewall and said lower end of said lever further includes a convex portion configured to be received in said concave recess. 6. The apparatus of claim 5, wherein said projection of said housing has a concave portion and said second sidewall of said nozzle arrangement further includes a projection configured to be received in said concave portion. 7. The apparatus of claim 6, further comprising: a sealing element positioned between said nozzle arrangement and said housing. 8. The apparatus of claim 7, wherein said nozzle contact surface further includes a recess configured to prevent said sealing element from being sheared off when said nozzle arrangement is linearly guided between said projection of said housing and said lower end of said lever. 9. The apparatus of claim 1, wherein said first alignment structure on said projection of said housing includes a bore. 10. The apparatus of claim 9, wherein said first alignment structure further comprises in said bore. 11. The apparatus of claim 9, wherein said first alignment structure further comprises a ball and spring in said bore. 12. The apparatus of claim 1, wherein said housing comprises: a dispenser configured to communicate with the fluid source; and a mounting plate secured to said dispenser and configured to cooperate with said lever so that said nozzle arrangement can be releasably secured thereto. 13. The apparatus of claim 1, wherein said nozzle arrangement comprises: an adaptor plate configured to cooperate with said projection of said housing and said lower end of said lever to releasably secure said nozzle arrangement to said housing; and a nozzle plate releasably secured to said adaptor plate, said nozzle plate being configured to deliver the fluid to the substrate. 14. The apparatus of claim 1, wherein said first alignment structure projects outwardly from said undercut surface. 15. An apparatus for applying fluid from a fluid source to a substrate, comprising: a housing configured to receive the fluid from the fluid source, said housing having a nozzle contact surface with a fluid outlet and a projection extending downwardly from said nozzle contact surface; a nozzle arrangement in fluid communication with said housing, said nozzle arrangement having an inlet side positioned adjacent said nozzle contact surface, an outlet side opposite said inlet side, a discharge passage communicating with said fluid outlet and extending from said inlet side to said outlet side, opposed first and second sidewalls between said inlet side and said outlet side, and a concave recess provided in said first sidewall; and a lever pivotally mounted to said housing for releasably securing said nozzle arrangement adjacent said nozzle contact surface, said lever having a lower end configured to be received in said concave recess on said first sidewall. 16. The apparatus of claim 15, wherein said lower end of said lever is configured to apply a force to said nozzle arrangement in a direction substantially parallel to a plane containing said inlet side and said nozzle contact surface. 17. The apparatus of claim 16, wherein said projection of said housing has a substantially flat guide surface adapted to direct said nozzle arrangement towards said housing when said lever applies force to said nozzle arrangement. 18. The apparatus of claim 15, wherein said lever has an upper end with a bore, the apparatus further comprising: an adjusting screw extending through said bore in said lever, said adjusting screw having threads cooperating with said bore such that the rotation of said adjusting screw controls the pivotal movement of said lever. 19. The apparatus of claim 15, wherein said projection of said housing has a concave portion and said second sidewall of said nozzle arrangement further includes a projection configured to be received in said concave portion. 20. The apparatus of claim 15, further comprising: a sealing element positioned between said nozzle arrangement and said housing, said housing having a groove configured to accommodate said sealing element. 21. The apparatus of claim 15, wherein said projection of said housing includes a bore, the apparatus further comprising: a pin positioned in said bore on said projection, said pin having a raised portion extending beyond said projection and configured to contact said nozzle arrangement. 22. The apparatus of claim 21, wherein said pin is configured to threadly engage said bore on said projection of said housing. 23. The apparatus of claim 21, wherein said pin is hollow and further includes a ball and spring positioned therein. 24. The apparatus of claim 15, wherein said housing comprises: a dispenser configured to communicate with the fluid source; and a mounting plate secured to said dispenser and configured to cooperate with said lever so that nozzle arrangement can be releasably secured thereto. 25. The apparatus of claim 15, wherein said nozzle arrangement comprises: an adaptor plate configured to cooperate with said projection of said housing and said lower end of said lever to releasably secure said nozzle arrangement to said housing; and a nozzle plate releasably secured to said adaptor plate, said nozzle plate being configured to deliver the fluid to the substrate. 26. An apparatus for applying fluid from a fluid source to a substrate, comprising: a housing configured to receive the fluid from the fluid source, said housing including a nozzle contact surface, a fluid outlet in said nozzle contact surface, a projection extending downwardly from said nozzle contact surface, and a bore in said projection; a nozzle arrangement in fluid communication with said housing, said nozzle arrangement having an inlet side positioned adjacent said nozzle contact surface, an outlet side opposite said inlet side, a discharge passage communicating with said fluid outlet and extending from said inlet side to said outlet side, and opposed first and second sidewalls between said inlet side and said outlet side; a pin in said bore of said housing, said pin including a raised portion extending beyond said projection and configured to contact said nozzle arrangement; and a lever pivotally mounted to said housing for releasably securing said nozzle arrangement adjacent said nozzle contact surface, said lever having a lower end cooperating with said first sidewall such that said nozzle arrangement may be linearly guided in a direction transverse to the direction of fluid flow from the outlet between said lower end of said lever and said projection of said housing.
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